{"product_id":"fluidmaster-pro45b-brass-shank-fill-valve-bottom-entry","title":"Fluidmaster PRO45B Professional Brass Shank Fill Valve | 1\/2\" Bottom Entry | Ultra-Quiet","description":"\u003cp\u003eThe Fluidmaster PRO45B is the professional plumber’s choice when only the best will do. Its heavy-duty brass shank won’t crack, corrode, or strip — outperforming plastic-shanked alternatives in demanding residential and commercial installations alike. A specially engineered shank design eliminates water hammer and delivers ultra-quiet operation, backed by a 5-year manufacturer’s warranty from the company that invented the fill valve in 1958.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty brass shank\u003c\/strong\u003e — won’t crack, corrode, or strip; outlasts plastic alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-quiet operation\u003c\/strong\u003e — engineered shank design eliminates water hammer and noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal fit\u003c\/strong\u003e — compatible with all major toilet brands with 1\/2\" bottom-entry connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free water level adjustment\u003c\/strong\u003e — twist the adjustment rod to set float height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode approved\u003c\/strong\u003e — complies with Water Supply (Water Fittings) Regulations\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5-year manufacturer’s warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fluidmaster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PRO45B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e K07084\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Bottom entry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2\" BSP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank material:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax water pressure:\u003c\/strong\u003e 150 psi (10.3 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e Code approved; meets UK Water Supply (Water Fittings) Regulations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Spain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode:\u003c\/strong\u003e 039961455420\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eOther Fluidmaster Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pro400uk-fluidmaster-1-2-bottom-entry-ball\" target=\"_blank\"\u003eFluidmaster PRO400UK 1\/2\" Bottom Entry Fill Valve | Height Adjustable 230–355mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pro750uk-fluidmaster-lever-flush-valve\" target=\"_blank\"\u003eFluidmaster PRO750UK Professional Dual Flush Valve | Universal Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fluidmaster-replacement-button-for-pro820uk\" target=\"_blank\"\u003eFluidmaster PRO820UK Replacement Dual Flush Button \u0026amp; Rod\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s the difference between the PRO45B and PRO400UK?\u003c\/strong\u003e\u003cbr\u003eBoth are 1\/2\" bottom entry fill valves. The PRO45B’s key advantage is its \u003cstrong\u003eheavy-duty brass shank\u003c\/strong\u003e, which offers superior durability and corrosion resistance compared to the plastic shank on the PRO400UK. The PRO45B is the preferred choice for demanding or commercial installations where longevity is paramount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is brass better than plastic for the shank?\u003c\/strong\u003e\u003cbr\u003eBrass won’t crack under stress, resists corrosion from minerals in the water, and maintains thread integrity through repeated installations. It provides a more rigid, reliable seal and simply outlasts plastic in demanding applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with my toilet?\u003c\/strong\u003e\u003cbr\u003eThe PRO45B fits virtually all toilet brands with a 1\/2\" bottom-entry connection, including Ideal Standard, Armitage Shanks, Roca, Twyford, Duravit, Villeroy \u0026amp; Boch, and many others. Confirm your cistern has a bottom-entry supply before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow quickly will my order be dispatched?\u003c\/strong\u003e\u003cbr\u003eIf the item shows as in stock, it will be dispatched within 48 hours. If the item is showing as 0 stock, it is ordered in specially for you and will typically be dispatched within 4 working days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I order if the item shows as out of stock?\u003c\/strong\u003e\u003cbr\u003eYes — you can still place an order and we’ll source it for you. Contact us at \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e or call 01603 381095 if you need a lead time estimate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs delivery free?\u003c\/strong\u003e\u003cbr\u003eThis is a small postable item with a one-off small item delivery charge. You can combine multiple small items in one order and pay a single charge.\u003c\/p\u003e","brand":"Fluidmaster","offers":[{"title":"Default Title","offer_id":53024484589905,"sku":"K07084","price":17.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/PRO45BRubik.png?v=1770815215","url":"https:\/\/bubblegumbathrooms.com\/products\/fluidmaster-pro45b-brass-shank-fill-valve-bottom-entry","provider":"Bubblegum Bathrooms","version":"1.0","type":"link"}